Unpack errors and check for io::ErrorKind::InvalidInput and return our own AddressParse error. Remove the foreign link to std::net::AddrParseError and add an `impl From` for that error. Test parsing properly.

* master:
  Consolidate crypto functionality in `ethcore-crypto`. (#8432)
  EIP 145: Bitwise shifting instructions in EVM (#8451)

* master:
  Decoding headers can fail (#8570)
  Refactoring `ethcore-sync` - Fixing warp-sync barrier (#8543)
  Remove State::replace_backend (#8569)
  Make trace-time publishable. (#8568)
  Don't block sync when importing old blocks (#8530)
  Trace precompiled contracts when the transfer value is not zero (#8486)
  Parity as a library (#8412)
  Rlp decode returns Result (#8527)
  Node table sorting according to last contact data (#8541)
  Keep all enacted blocks notify in order (#8524)
  ethcore, rpc, machine: refactor block reward application and tracing (#8490)